code: def __iter__(self):
      for batch in super(MatchingIterator, self).__iter__():
          yield MatchingBatch(batch, self.train_info)
  
file_path: deepmatcher/deepmatcher/data/iterator.py
imports: from __future__ import division
  import logging
  from torchtext.legacy import data
  from ..batch import MatchingBatch
label_desc: Use image node_id 3 for calling the MatchingIterator obj's underlying member method code with example usage: obj.__iter__() without return types